Table 2 Descriptive statistics and Kruskal-Wallis test of score questionnaire between the level of awareness of radiation knowledge, years of experience and geographic distribution

How do you consider your knowledge level about ionising radiation related risks

Excellent

7.6

3.4

6–10

1–14

ns

Good

8.3

2.4

7–10

2–14

Sufficient

8.7

2.6

7--11

1–16

Insufficient

8.1

3.3

6–11

1–14

What is your level of experience

Less than 3 years

9.7

2.3

8–11

2–16

<0.001

4-10 years

8.8

2.4

7–10

1–14

11-20 years

8.0

2.5

6–9

1–14

More than 20 years

7.9

2.7

6--10

1–14

Regional division

North

8.9

2.2

8–11

5–14

ns

Centre

8.2

2.5

7–10

2–14

South

8.6

2.8

6–11

1–14

Islands

7.8

2.6

6–10

1–13